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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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21

What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)

  • A. Acetylene
  • B. Methyl acetylene
  • C. Butanol
  • D. Decanoic acid
View Answer & Discuss (9) JAMB 2021
22

Soaps clean surfaces on the principle based on?

  • A. viscosity
  • B. floatation
  • C. elasticity
  • D. surface tension
View Answer & Discuss (4) JAMB 2021
23

One of the following is not a physical property of monosaccharides?

  • A. Monosaccharides get charred when heated
  • B. Monosaccharides are water-soluble, sweet substances
  • C. They are highly vital to the exploration of metals
  • D. They can be reduced to sugar alcohols
View Answer & Discuss (2) JAMB 2021
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24

The process by which salt and water reacted in a limited way to form an acid or a base is?

  • A. Neutral process
  • B. Basic acidic process
  • C. Hydrolysis
  • D. Sublimation
View Answer & Discuss (2) JAMB 2021
25

A chemical widely used as a fertilizer is?

  • A. galena
  • B. bauxite
  • C. emerald
  • D. nitrochalk
View Answer & Discuss (4) JAMB 2022
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free